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morpeh [17]
3 years ago
10

Adding and subtracting polynomials (3x ^ 3 + 4 - 2x) + (2x ^ 2 - x + 6)

Mathematics
2 answers:
Artist 52 [7]3 years ago
4 0

Answer:

(3x^3+4-2x)+(2x^2-x+6)\\3x^3+4-2x+2x^2-x+6\\3x^3+2x^2-3x+10

Sloan [31]3 years ago
4 0
Answer: 3x^3+2x^2-3x+10
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He dot plots show the number of hours a group of fifth graders and seventh graders spent playing outdoors over a one-week period
garik1379 [7]

Answer:

The left side of the data looks similar to the right side in the seventh-grade data, but not in the fifth-grade data.

Step-by-step explanation:

In the seventh-grade data, we can split dots into two equal groups, one from 0 to 3 and the other one from 4 to 7. In the first group the dot distribution is {2, 2, 3, 5}. In the second group the dot distribution is {5, 3, 3, 1}. Then, the left side looks similar to the right side (they are symmetrical).

If we perform a similar division between dots for fifth-graders data, we obtain one group, from 1 to 4, which dot distribution is {2, 3, 1, 4}; and another group, from 5 to 8, which dot distribution is {5, 5, 2, 2}. Then, the left side doesn't look similar to the right side (they aren't symmetrical).

7 0
4 years ago
The price of a camera including taxes is 17.5% is 94 dollars. what was its price before the taxes?
inysia [295]
77.55 or 77.6 i think
5 0
3 years ago
The area of a rectangular field is given by the trinomial t2 – 4t – 45. The length of the rectangle is t + 5. What is the expres
aniked [119]
The answer is: width = t - 9

A = l * w
A = t² - 4t - 45
l = t + 5
t² - 4t - 45 = (t + 5)w

w= \frac{ t^{2}  - 4t - 45}{t + 5} = \frac{t * t - 9t + 5t - 5 * 9}{t+5} = \frac{t(t - 9) + 5(t - 9))}{t+5} = \frac{(t-9)(t+5)}{t+5} =t-9
7 0
3 years ago
SENPAI ANSWER THIS TOO. 2X+2X=?
natulia [17]

Answer: 4x

2x + 2x=4x

7 0
3 years ago
A city has cone shaped buildings for storing salt and sand for icy roads. Each building has a radius of 50 feet and a height of
aalyn [17]

Answer:

  • Radius=50 ft
  • π=3.14
  • Height=30 ft
  • Volume=?

We know that,

\star \:  \:  \purple{Volume_{(cone)} =\pi {r}^{2}   \frac{h}{3} }

\star \:  \:  \purple{Volume_{(cone)} =3.14 \times  {(50)}^{2}  \times   \: \cancel\frac{30}{3}  \:   }

\star \:  \:   \purple{Volume_{(cone)} = 3.14 \times (50 \times 50) \times 10}

\star \:  \:  \purple{Volume_{(cone)} =3.14 \times 2500 \times 10 }

\star \:  \:  \purple{Volume_{(cone)} =78500 }

Thus,the third option is correct.

\star \: \: {\blue{DisneyPrincess29}}

6 0
3 years ago
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